1.

Write the electronic configuration of a) sodium with atomic number 11 b) sulphur with atomic number 16 and state whether it belongs to metal or non metal with Justification

Answer» SODIUM (Z=11)K=2L=8M=1Sulphur (Z=16)K=2L=8M=6Explanation:Sodium is a metal as its valence SHELL has 1 ATOM and Sulphur is a non-metal as its valence shell as 6 ATOMS.


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